On Wed, 2007-05-30 at 18:06 +0000, David C Thompson wrote: > There is a 9-node quad, thanks to Soeren Gebbert: > http://www.vtk.org/doc/nightly/html/classvtkBiQuadraticQuad.html This is definitely good news -- does it have support in paraview, and if so, how do I determine what element type (integer) to output from my code? John